refactoring changes from sequpgrade (endReturn, ...) and some modernizations

seqs/nginx.sh

@@ -12,7 +12,7 @@ sq_aptOpt=
 seq_config() {
   ## Apt cmdline option to suppress user interaction
   interactive || sq_aptOpt="-y"
-  
+
   ## Return of non zero value will abort the sequence
   return 0
 }
@@ -55,7 +55,7 @@ step_10() {
   exe apt update
 }
 
-step_11_info() { 
+step_11_info() {
   echo "Installation of ${toolName} packages:"
   echoinfo "${sq_toolDeps}"
 }
@@ -63,7 +63,7 @@ step_11_alias() { echo "install"; }
 step_11() {
   exe apt update
   exe apt install ${sq_toolDeps} ${sq_aptOpt:-}
-  endReturn -o $? "Failed to install ${toolName}"
+  endReturn "Failed to install ${toolName}"
 }
 
 step_12_info() {
@@ -90,7 +90,7 @@ step_12() {
   info "Removing user nginx"
   exe deluser ${lQuiet} nginx || true # allowed to fail if non existent
 
-  if [[ ! -e "/var/www" ]] ; then 
+  if [[ ! -e "/var/www" ]] ; then
     info "Create default web server directory."
     exe mkdir "/var/www"
     exe chown www-data: "/var/www"
@@ -114,7 +114,7 @@ step_13() {
     exe apt install ${sq_toolDeps} ${sq_aptOpt:-}
   fi
 
-  # create webroot 
+  # create webroot
   exe mkdir -p "$siteLetsencryptWww"
 
   info -n "Restarting Nginx..."
@@ -136,7 +136,7 @@ siteDefaultLoc="/etc/nginx/conf.d/default"
 siteDefaultIp4="server {
 listen 80 default_server;
 
-include ${snippetLetsencryptLoc}; 
+include ${snippetLetsencryptLoc};
 }"
 
 step_20_info() { echo "Installation notes"; }